Stability of high bit rate quantum key distribution on installed fiber

被引：47
|
作者：
Dynes, J. F. [1 ,2 ]
Choi, I. [1 ]
Sharpe, A. W. [1 ]
Dixon, A. R. [1 ,2 ]
Yuan, Z. L. [1 ,2 ]
Fujiwara, M. [3 ]
Sasaki, M. [3 ]
Shields, A. J. [1 ,2 ]
机构：
[1] Toshiba Res Europe Ltd, Cambridge CB4 0GZ, England
[2] Toshiba Co Ltd, Ctr Corp Res & Dev, Saiwai Ku, Kawasaki, Kanagawa 2128582, Japan
[3] Natl Inst Informat & Commun Technol, Quantum ICT Lab, Koganei, Tokyo 1848795, Japan
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 15期
关键词：
D O I：
10.1364/OE.20.016339
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a study of the effects of ambient fluctuations on the bit rate stability of a quantum key distribution (QKD) link operating on installed fiber. Secure quantum keys were distributed continuously for 60 hours over 45km of installed fiber. A total of 6.33 x 10(10) bits were exchanged during this period, the largest volume of secure keys distributed on installed fiber in a single continuous session to date. We report a record bit-rate distance product for QKD of 13.2 x 10(6) (bits/s)-km. (C) 2012 Optical Society of America
引用
收藏
页码：16339 / 16347
页数：9
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